Fisher found Two, but "Three" and Dr. X are still on the loose! To keep his cloning secret from coming out, Fisher will have to stop Three and Dr. X from taking over the world.
Fisher, Two, Amanda, and Veronica are happy to spend their holiday break at Fisher's parents' new amusement park. But when aliens crash-land on a roller coaster, it spells the end of R&R for our heroes.
Fisher's clone Two decides to go to Hollywood looking for his "mother." However, he doesn't have one-he's a clone! Fisher must bring Two back to Palo Alto before his cloning secret is discovered.